Radofin 1392 cartridge for 27128 ROM If you just need a quick way to test a retro video computer
Supports 8 games in a single cartridge of size 2Kbytes or 4 games of 4Kbytes.
Use only 2K or 4K roms in a single ROM.
Use 27128 ROMS.
6 pin ic is actually a 3 pin DIP switch. For 4k ROM cartridge you can use 2 pin DIP switch.